BenConstable\Localize\DeterminerManager::createStackDriver PHP Method

    protected function createStackDriver()
    {
        $determiners = (new Collection((array) $this->app['config']['localize-middleware']['driver']))->filter(function ($driver) {
            return $driver !== 'stack';
        })->map(function ($driver) {
            return $this->driver($driver)->setFallback(null);
        });
        return (new Determiners\Stack($determiners))->setFallback($this->app['config']['app']['fallback_locale']);
    }